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|
open Brr
let send_raw : filename:Jstr.t -> Jstr.t -> unit =
fun ~filename data ->
(* Create the link to download the the element, and simulate a click on it *)
let a =
El.a
~at:
At.[ href Jv.Id.(of_jv @@ to_jv data); v (Jstr.v "download") filename ]
[]
in
El.click a
(** Send a file to the user. *)
let send : mime_type:Jstr.t -> filename:Jstr.t -> Jstr.t -> unit =
fun ~mime_type ~filename content ->
let btoa = Jv.get Jv.global "btoa" in
let base64data = Jv.apply btoa [| Jv.of_jstr content |] in
let data =
Jv.to_jstr
@@ Jv.call
(Jv.of_string "data:")
"concat"
[| Jv.of_jstr mime_type; Jv.of_jstr (Jstr.v ";base64,"); base64data |]
in
send_raw ~filename data
(** Load the content at the given URL and return it
The response body is only loaded if the result code is 200
*)
let get_content_from_url :
string -> (int * Jstr.t, Jv.Error.t) result Note.event =
fun resource ->
Brr_io.Fetch.Request.v (Jstr.v resource)
|> Brr_io.Fetch.request
|> fun f ->
Fut.bind f (fun result ->
match result with
| Error e -> Fut.return (Error e)
| Ok response ->
(* Check the status before loading the response itself *)
( match Brr_io.Fetch.Response.status response with
| 200 ->
Brr_io.Fetch.Response.as_body response
|> Brr_io.Fetch.Body.text
|> Fut.map
(Result.map (fun v ->
(Brr_io.Fetch.Response.status response, v) ) )
| other -> Fut.return (Ok (other, Jstr.empty)) ) )
|> Brr_note.Futr.to_event
|
